4021979
Descrição
Quiz por Rebekkah Gresh, atualizado more than 1 year ago
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Criado por Rebekkah Gresh
aproximadamente 9 anos atrás
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Questão 1
Questão
In comparison to the planets in the solar system Mercury is:
Responda
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the smallest
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the largest of the terrestrial planets
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the largest
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the smallest of the gas giants
Questão 2
Questão
Mercury is roughly the size of the Moon, though, slightly larger.
Responda
- True
- False
Questão 3
Questão
Mercury has not yet been explored by any space probes.
Responda
- True
- False
Questão 4
Questão
Describe Mercury's interior.
Responda
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Mercury has a large, semi-molten, iron-nickel core, a silicate mantle, and a thin, rocky crust.
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Mercury has a small, solid iron-nickel core, a larger liquid outer core, a silicate mantle, and a rocky crust.
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Mercury has a large, solid, iron-nickel core, a rocky mantle, and a rocky crust.
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Mercury has a small, semi-molten, iron-nickel core, a large silicate mantle, and a thin rocky crust.
Questão 5
Questão
What is unique about Mercury's rotation?
Responda
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Mercury rotates backwards on its axis (clockwise) whereas all the other planets rotate counterclockwise.
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Mercury "wobbles" as it rotates on its axis.
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Mercury's axis is at a 90 degree angle, so it rotates on its side.
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Mercury's rotation is experiencing tidal lock, which causing the same side of Mercury to face the Sun at all times.
Questão 6
Questão
1 year (the amount of time it takes Mercury to orbit the sun) on Mercury is shorter than 1 day (the time it takes to rotate once on Mercury's axis) on Mercury.
Responda
- True
- False
Questão 7
Questão
Mercury has no magnetic field.
Responda
- True
- False
Questão 8
Questão
What is unique about Mercury's orbit?
Responda
-
It is the most elliptical orbit of any planet in our solar system.
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It is the most circular orbit of any planet in our solar system.
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It is perpendicular in comparison to other planets' orbits.
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Mercury orbits backwards around the Sun, so it moves in a clockwise path.
Questão 9
Questão
Why does Mercury experience extreme temperature changes?
Responda
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Because it has no atmosphere to retain heat.
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Because of Mercury's closeness to the Sun.
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Because of Mercury's slow rotation causing long days and nights.
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All of the above
Questão 10
Questão
Why does Mercury lack an atmosphere?
Responda
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Mercury lacks an atmosphere due to its small gravitational force.
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Mercury lacks an atmosphere because the Sun burns off all gas before it can create an atmosphere.
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Mercury lacks an atmosphere because it does not have a magnetic field to protect its atmosphere from the Sun.
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Mercury lacks an atmosphere because it never developed one.
Questão 11
Questão
What evidence suggest that Mercury may have a partially molten, or molten interior?
Responda
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The presence of a magnetic field.
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The odd "wobbling" of Mercury's rotation on its axis.
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The high surface temperature indicates that there must be a partially-molten interior.
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A and B are both correct.
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A, B, and C are all correct.
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A and C are correct.
Questão 12
Questão
While Mercury currently has a slow rotation, it probably rotated much faster in the past.
Responda
- True
- False
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